Home / 2,823.78-4,235.94-1,655.54

Finding the Fourth Proportional to 2,823.78, 4,235.94 and 1,655.54

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Solution

The fourth proportional to 2,823.78, 4,235.94 and 1,655.54 is: 2,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.78 : 4,235.94 = 1,655.54 : x
  2. Step 2: Convert to fraction form
    2,823.78/4,235.94 = 1,655.54/x
  3. Step 3: Cross multiply
    2,823.78x = 4,235.94 × 1,655.54
  4. Step 4: Simplify right side
    2,823.78x = 7,012,768.11
  5. Step 5: Solve for x
    x = 7,012,768.11/2,823.78
  6. Step 6: Final answer
    x = 2,483.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.